SiBE041029EC Troubleshooting
Service Diagnosis 84
Troubleshooting RX50/60G2V1B, 71 class
Check No.15
Refer to P.98
Check No.18
Refer to P.100
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
NO
YES
Check the power supply voltage.
Check the connection.
Turn off the power.
Correct the power supply.
Voltage as rated?
(R22127)
NO
NO
NO
YES
YES
YES
Check No. 15
Check with the inverter analyzer.
Turn off the power. Disconnect the
harnesses U, V, and W.
Turn on the power. Check the
electrolytic capacitor voltage.
Electrical
components or
compressor harnesses
connected as
specified?
Replace the outdoor unit
PCB (main PCB).
Replace the compressor.
Correct the power supply or
replace the outdoor unit
PCB (main PCB).
Reconnect the electrical
components or compressor
harnesses as specified.
∗ Inverter analyzer
RSUK0917C
Within 320 VDC?
Any LED Off?
NO
YES
Check No. 18
Replace the stop valve.
OK?
Check the discharge pressure.
+ 100
– 50
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